package org.sao.security.demo.controller;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Date;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.io.IOUtils;
import org.sao.security.demo.dto.FileInfo;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

@RestController
@RequestMapping("/file")
public class FileController {
	
	String folder="D:\\";
	
	@PostMapping
	public FileInfo upload(MultipartFile file) throws IllegalStateException, IOException{
		System.out.println(file.getName());
		System.out.println(file.getOriginalFilename());
		System.out.println(file.getSize());
		File localFile =new File(folder+new Date().getTime()+".txt");
		file.transferTo(localFile);
		return new FileInfo(localFile.getAbsolutePath());
	}
	
	
	@GetMapping("/{id}")
	public  void download(HttpServletRequest request,HttpServletResponse response,@PathVariable String id){
		try {
			InputStream input =new FileInputStream(new File(folder,id+".txt"));
			OutputStream output=response.getOutputStream();
			response.setContentType("application/x-download");
			response.setHeader("Content-DisPosition", "attachment;filename=test.txt");
			IOUtils.copy(input, output);
			output.flush();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
			
		
		
	}

}
